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Diffstat (limited to 'mcon/U/d_ipv6.U')
| -rw-r--r-- | mcon/U/d_ipv6.U | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/mcon/U/d_ipv6.U b/mcon/U/d_ipv6.U new file mode 100644 index 0000000..94a0a80 --- /dev/null +++ b/mcon/U/d_ipv6.U @@ -0,0 +1,91 @@ +?RCS: $Id: d_ipv6.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2006, Christian Biere +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_ipv6: Assert Trylink cat i_arpainet i_netdb i_syssock i_niin \ + i_winsock2 i_ws2tcpip +?MAKE: -pick add $@ %< +?S:d_ipv6: +?S: This variable conditionally defines HAS_IPV6. +?S:. +?C:HAS_IPV6: +?C: This symbol is defined when IPv6 can be used +?C:. +?H:#$d_ipv6 HAS_IPV6 /**/ +?H:. +?LINT:set d_ipv6 +: determine whether IPv6 can be used +case "$d_ipv6" in +"$undef") + echo "IPv6 support is disabled." >&4 +;; +*) + $cat >try.c <<EOC +#$i_syssock I_SYS_SOCKET +#$i_winsock2 I_WINSOCK2 +#$i_ws2tcpip I_WS2TCPIP +#$i_niin I_NETINET_IN +#$i_arpainet I_ARPA_INET +#$i_netdb I_NETDB +#include <sys/types.h> +#ifdef I_SYS_SOCKET +#include <sys/socket.h> +#endif +#ifdef I_NETINET_IN +#include <netinet/in.h> +#endif +#ifdef I_ARPA_INET +#include <arpa/inet.h> +#endif +#ifdef I_NETDB +#include <netdb.h> +#endif +#ifdef I_WINSOCK2 +#include <Winsock2.h> +#endif +#ifdef I_WS2TCPIP +#include <Ws2tcpip.h> +#endif +#include "static_assert.h" + +int main(void) +{ + struct sockaddr_storage ss; + struct sockaddr_in6 sin6; + static struct in6_addr in6; + + ss.ss_family = PF_INET6; + + sin6.sin6_family = AF_INET6; + sin6.sin6_port = 6346; + sin6.sin6_flowinfo = 23UL; + sin6.sin6_scope_id = 42UL; + sin6.sin6_addr = in6; + sin6.sin6_addr.s6_addr[0] = in6.s6_addr[0]; + + STATIC_ASSERT(AF_INET6 == PF_INET6); + STATIC_ASSERT(sizeof in6 == sizeof sin6.sin6_addr); + STATIC_ASSERT(16 == sizeof sin6.sin6_addr.s6_addr); + STATIC_ASSERT(2 == sizeof sin6.sin6_port); + STATIC_ASSERT(4 == sizeof sin6.sin6_flowinfo); + STATIC_ASSERT(4 == sizeof sin6.sin6_scope_id); + + (void) sin6; + (void) in6; + + return 0; +} +EOC + + cyn="whether IPv6 support is available" + set d_ipv6 + eval $trylink + ;; +esac + |